CONTINUOUS INTERNET TELEMETRY24H DRIFT3,213 material changesacross 2,735 domains · -185 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -2 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination gov.cn · -1 vs yesterdayCERT DRIFT9 domains switched issuing CA24h · +2 vs yesterdayNOW3,325 curated domains not answering-6,393 vs yesterdayERRORS10,951 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,213 material changesacross 2,735 domains · -185 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -2 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination gov.cn · -1 vs yesterdayCERT DRIFT9 domains switched issuing CA24h · +2 vs yesterdayNOW3,325 curated domains not answering-6,393 vs yesterdayERRORS10,951 responded with an errorlast probe · 5xx / 404 / 429 / 403

nta.co.jp

Observed 2026-07-12T10:37:40.681Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Runs onMarubeni OKI Network Solutions
Email byGoogle (SPF sender)
Also usesGoogle Search Console
6 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nta.co.jp actually stands on - every host below is a signed observation
nta.co.jp
A / AAAA
202.226.100.130
Marubeni OKI Network Solutionsserves the site
NS
a26-67.akam.neta3-64.akam.neta13-65.akam.neta14-67.akam.net+2 more
akam.netanswers its DNS
MX
pop08.nta.co.jppop09.nta.co.jp
Google (SPF sender)receives its email

HTTPS probe

timeout No response within the timeout Connection timed out - no response within 3s
HTTP status0
Servernot observed
TLS protocolnot observed
TLS issuernot observed
Behind Cloudflareno
Response time6200 ms
DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

  • 202.226.100.130

MX 2

  • 2pop08.nta.co.jp
  • 3pop09.nta.co.jp

TXT 7

  • v=spf1 +ip4:202.226.100.0/23 +ip4:14.128.20.126 +ip4:203.191.250.22 +ip4:203.191.250.23 +ip4:124.109.181.7 +ip4:52.68.29.63/32 +ip4:52.197.98.119/32 +ip4:203.180.250.58/32 +ip4:203.180.251.105/32 +ip4:18.176.97.61 +ip4:203.137.191.65 +ip4:118.103.94.243 +ip4:210.175.69.4 +ip4:52.198.90.54 +ip4:122.221.93.36 +ip4:210.239.65.189 +ip4:52.192.228.0/24 +ip4:121.83.222.228 +ip4:54.95.37.112/32 +ip4:52.195.124.147/32 +ip4:58.191.47.236 +ip4:150.66.55.197 +ip4:58.191.47.9 +ip4:150.66.58.162 include:spf.probance.jp include:asp.cuenote.jp include:webcas.net include:_spf.activegate-ss.jp include:_spf.google.com include:mail.zendesk.com include:amazonses.com ~all
  • n3Y6k9WkGQrSxD5n2XYAv0IkVgpHyG
  • B9OEgmqMsGMAruNjHtvwCeRy8r67ct
  • google-site-verification=BCQt3tFGUXg1A5oIEnBxMETiVT1UMU8bRJxLNqLSBOY
  • apple-domain-verification=hEuaQXQtF3LwIJyK
  • v=DMARC1; p=none; rua=mailto:keisuke_katsumata@nta.co.jp
  • v=DKIM1; (detected)

NS 6

  • a26-67.akam.net
  • a3-64.akam.net
  • a13-65.akam.net
  • a14-67.akam.net
  • a1-74.akam.net
  • a10-64.akam.net

SOA 1

  • fuji-6.ptop.ad.jp postmaster.ptopnet.or.jp

TLS Certificates (0)

None.

Subdomains (6)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for nta.co.jp. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for nta.co.jp <a href="https://domaindrift.io/t/nta.co.jp"> <img src="https://domaindrift.io/badge/nta.co.jp.svg" width="300" height="64" alt="DomainDrift signed observations for nta.co.jp"> </a>

Ed25519 Receipt

Receipt ID
61f23b67-b79f-490b-98b3-2cc7302b7339
Output Hash
ca61704917bdb83456f9cb4480a9551fb71b48e376dfeb896cf59d52687a7214
Signature
ed25519:8b011c88d84cb42fed4044cc7b8117b35c6b8f1967fa51f5b9c51d8e7740033d658ed8a20afb0cc77375593c38058a3b99b35ea79040a6009dab428680d4ba0b
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser